Heroes of Olympus: The Mark of Athena

The third book in Rick Riordan's Heroes of Olympus series follows seven demigods as they sail to ancient lands to prevent a war between Roman and Greek demigods. The story features diverse characters including Frank Zhang (Chinese-Canadian heritage) and Hazel Levesque (African American from the 1940s), with themes of friendship, identity, ancient mythology, and overcoming prejudice. The quest involves dangerous monsters, ancient prophecies, and personal growth as characters navigate their dual heritage and complex relationships. This action-packed adventure combines humor with serious themes about belonging and acceptance.